diff --git a/tests/meson.build b/tests/meson.build
index d336a8f..1f5ea50 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -1,6 +1,13 @@
 libtexpdf_include = include_directories('..')
 
+# FIXME:
+# Above we should not add libtexpdf_cargs but if they are not added
+# compiling may fail because the header inclusion is conditioned to
+# defines like HAVE_CONFIG_H and others.
+# In addition the header files tries to conditionally include config.h
+# but this latter is private and not exported.
 test_create = executable('test-create', 'test-create.c',
+    c_args: libtexpdf_cargs,
     dependencies: libtexpdf_dep,
     include_directories: libtexpdf_include,
 )